Betty Joyce Sharp (née Lively; October 10, 1931 – February 22, 2002) was the mother of Tina and maternal grandmother of Michael, Kim, Jennifer and Charlie.
- Lived in the old trailer in Trailwood with her husband and daughter.
- Mrs Sharp, along with Angry Grandpa and her husband, laughed at the attempt made by her daughter, Tina, to make an edible Thanksgiving dinner in 1980.
- Betty was 16 when she and Robert had Deborah. Also, Betty was 32 when she and Robert had Tina.